print(sorted([36, 5, -12, 9, -21]))

print(sorted(['bob', 'about', 'Zoo', 'Credit']))


def calc_sum(*args):
    ax = 0
    for n in args:
        ax = ax + n
    return ax


def lazy_sum(*args):
    def sum():
        ax = 0
        for n in args:
            ax = ax + n
        return ax
    return sum

f1 = calc_sum(1, 3, 5, 7, 9)
f2 = lazy_sum(1, 3, 5, 7, 9)
print(f1)
print(f2)